US20140321068A1 - Electronic apparatus - Google Patents
Electronic apparatus Download PDFInfo
- Publication number
- US20140321068A1 US20140321068A1 US14/160,241 US201414160241A US2014321068A1 US 20140321068 A1 US20140321068 A1 US 20140321068A1 US 201414160241 A US201414160241 A US 201414160241A US 2014321068 A1 US2014321068 A1 US 2014321068A1
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- US
- United States
- Prior art keywords
- module
- case
- electronic apparatus
- cushion
- holding member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/187—Mounting of fixed and removable disk drives
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
- G06F1/1658—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories related to the mounting of internal components, e.g. disc drive or any other functional module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
Definitions
- Embodiments described herein relate generally to an electronic apparatus which are including a module.
- An electronic apparatus contains a plurality of modules used for various purposes. Protecting these modules from vibration and impact leads to the improvement of reliability of electronic apparatuses. Thus, softening vibration and impact on modules contributes to the improvement of reliability of electronic apparatuses.
- FIG. 1 shows a front view of a display apparatus as an example an electronic apparatus according to a first embodiment
- FIG. 2 is a rear view showing a module assembly after a cover of the display apparatus in FIG. 1 is removed from an enclosure;
- FIG. 3 is a perspective view schematically showing the module assembly in FIG. 2 ;
- FIG. 4 is a perspective view showing modules in the module assembly in FIG. 3 ;
- FIG. 5 is a perspective view showing a first case of the module assembly in FIG. 3 ;
- FIG. 6 is a sectional view of the module assembly along an F 6 -F 6 line in FIG. 3 ;
- FIG. 7 shows a perspective view of a portable computer as an example of the electronic apparatus according to a second embodiment
- FIG. 8 is a bottom view showing the module assembly when the cover of the portable computer in FIG. 7 is removed from the enclosure;
- FIG. 9 is a perspective view schematically showing the module assembly in FIG. 8 ;
- FIG. 10 is a perspective view showing a first case of the module assembly in FIG. 7 ;
- FIG. 11 is a sectional view of the module assembly along an F 11 -F 11 line in FIG. 9 ;
- FIG. 12 shows a sectional view of a first modification of the electronic apparatus according to the second embodiment
- FIG. 13 shows a sectional view of a second modification of the electronic apparatus according to the second embodiment
- FIG. 14 shows a sectional view of a third modification of the electronic apparatus according to the second embodiment
- FIG. 15 is a sectional view of the module assembly of the portable computer as an example of the electronic apparatus according to the third embodiment cut along a D1 direction and a D3 direction;
- FIG. 16 is a sectional view of the module assembly in FIG. 15 cut along a D2 direction and the D3 direction;
- FIG. 17 is a sectional view of the module assembly of the portable computer as an example of the electronic apparatus according to a fourth embodiment cut along the D1 direction and the D3 direction;
- FIG. 18 is a sectional view of the module assembly in FIG. 17 cut along the D2 direction and the D3 direction.
- an electronic apparatus includes a first case, a module, a first cushion, and a holding member.
- the module is accommodated in the first case.
- the first cushion is provided between the first case and the module.
- the holding member holds the module with respect to the first case movably in inside the first case. The electronic apparatus thereby improves the reliability.
- a television 11 as an example of the electronic apparatus is a display apparatus (including an electronic apparatus, a television, a receiver, a broadcasting wave receiving apparatus, a receiving apparatus, an image display apparatus and the like) having an outer shape of a rectangular parallelepiped (including a rectangular, flat box).
- the television 11 includes an enclosure 12 formed from, for example, a synthetic resin material and a leg portion 13 supporting the enclosure 12 .
- the leg portion 13 includes a swivel portion 14 to turn the enclosure 12 in the horizontal direction.
- the enclosure 12 has an opening 15 , a compartment 16 provided on an inner side from the opening 15 , a cover 17 to cover the opening 15 , in a position corresponding to a module 25 described later.
- the television 11 includes a system board 21 (also called a printed circuit board or circuit board) that centrally controls each unit, a power circuit board 22 (also called a power supply module, power unit, or power controller), a flat display panel 23 including a face on which an image is displayed as a display screen, and a module assembly 24 accommodated in the compartment 16 inside the enclosure 12 .
- the system board 21 includes, for example, a tuner.
- the display panel 23 is configured by a liquid crystal display panel.
- the other kinds of display panel like, for example, a plasma display panel, an organic EL, a plastic display panel, and a sheet display panel may also be available for the display panel.
- the module assembly 24 has the module 25 in a box shape, a first case 26 surrounding the outer side of the module 25 , a first cushion 27 provided between the module 25 and the first case 26 , a fastening member 28 that holds the module 25 with respect to the first case 26 , and a second cushion 29 secured on the inner surface of the cover 17 .
- the first case 26 is formed from a metallic material in a box shape having an opening on one side.
- the first case 26 includes a first wall portion 31 forming a bottom wall, a second wall portion 32 forming a side wall rising from the first wall portion 31 and having a attaching portion 32 A to the enclosure 12 , a pair of third wall portions 33 forming a side wall rising from the first wall portion 31 and through which the fastening member 28 (or a holding member) passes and a fourth wall portion 34 forming a side wall rising from the first wall portion 31 and positioned near a connector 35 A.
- the third wall portion 33 has a plurality (four in the present embodiment) of holes 36 to allow the fastening member 28 to pass through.
- the attaching portion 32 A is omitted.
- the module 25 is configured by a hard disk drive (HDD), but is not limited to the above example.
- the module 25 may be, for example, an optical disk device (ODD), a flash memory, a module mounted with a graphic chip, a wireless LAN module, or other components like a battery.
- ODD optical disk device
- flash memory a module mounted with a graphic chip
- wireless LAN module or other components like a battery.
- the module 25 includes a second case 37 forming an outer shell thereof.
- the second case 37 is a so-called shield case and prevents an electromagnetic wave from leaking from the module 25 to the outside or conversely an outside electromagnetic wave from adversely affecting the inside of the module 25 .
- the second case 37 has a first face 41 positioned near the enclosure 12 (cover 17 ), a second face 42 opposed to the first face 41 , a third face 43 having the connector 35 A connected to the system board 21 via a flexible cable or the like, a fourth face 44 facing the third face 43 , and a pair of fifth faces 45 provided with a plurality (four in the present embodiment) of anchor holes 47 to which the fastening member 28 (or a holding member) is secured.
- the fastening member 28 is an example of the holding member movably holding the module 25 with respect to the first case 26 and is configured by a so-called shouldered screw in the present embodiment.
- the fastening member 28 includes an engaging portion 51 in which an external thread is formed so as to be engaged with the module 25 , a shaft 52 extending from the engaging portion 51 and inserted into the hole 36 of the first case 26 , and a head portion 53 continuously formed with the shaft 52 .
- the shaft 52 is formed in a cylindrical shape and the outer circumferential surface thereof is formed smoothly without any external thread being formed.
- the head portion 53 is an example of a blocking portion and blocks the shaft 52 from dropping from the hole 36 of the first case 26 .
- a first gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between the head portion 53 and the first case 26 .
- a second gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 .
- the first cushion 27 has a plurality (four in the present embodiment) of first portion 56 attached to the first case 26 so as to correspond to corners of the module 25 and a plurality (four in the present embodiment) of second portions 57 attached to the first wall portion 31 of the first case 26 .
- the first portion 56 is formed like covering a corner on the side of the second face 42 of the module 25 and abuts on three faces of the module 25 .
- the first portion 56 provided in a position extending over the first wall portion 31 , the third wall portion 33 , and the fourth wall portion 34 abuts on the second face 42 , the third face 43 , and the fifth face 45 of the module 25 .
- the second portion 57 is formed in a sheet shape having a predetermined thickness and abuts on the second face 42 of the module 25 .
- Both of the first portion 56 and the second portion 57 of the first cushion 27 are integrally formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge.
- the second cushion 29 is formed in a sheet shape having a predetermined thickness and abuts on the first face 41 of the module 25 .
- the second cushion 29 is integrally formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge.
- the second cushion 29 may be pasted to the first face 41 of the module 25 .
- an impact absorption function for the module 25 of the television 11 in the first embodiment will be described with reference to FIGS. 3 and 6 .
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the first case 26 (here, the third wall portion 33 ) and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D1 direction.
- the module 25 moves as described above, a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first portion 56 of the first cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to the first case 26 is prevented from being directly transmitted to the module 25 .
- the second gap 55 is provided between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to the television 11 in the D2 direction or the D3 direction in FIGS. 3 and 6 .
- kinetic energy of the module 25 is absorbed by the first portion 56 and the second portion 57 of the first cushion 27 or the second cushion 29 positioned in the moving direction.
- a display apparatus includes the module 25 , the first case 26 surrounded of the module 25 , the first cushion 27 provided between the module 25 and the first case 26 , and a holding member (or the fastening member 28 ) that holds the module 25 in the first case 26 and permits movement of the module 25 inside the first case 26 .
- the holding member holds the module 25 such that movement of the module 25 inside the first case 26 is permitted, that is, in a floating state. Therefore, even if an impact is applied to the display apparatus, the impact can be prevented from being directly propagated to the module 25 .
- FIGS. 7 to 11 An embodiment (second embodiment) of an electronic apparatus will be described with reference to FIGS. 7 to 11 .
- a case will be described when it is applied to a portable computer 61 as an example of the electronic apparatus.
- the appearance of the portable computer 61 is different from that of the display apparatus in the first embodiment, but a portion of an internal structure is common to that in the first embodiment.
- common reference numerals or symbols are attached to common portions and the description thereof is omitted.
- a portable computer 61 as an example of the electronic apparatus includes a body unit 62 , a display unit 63 , and a hinge portion 64 provided between the body unit 62 and the display unit 63 .
- the hinge portion 64 rotatably supports the display unit 63 .
- the display unit 63 has a display panel 23 and a display case 65 surrounding the display panel 23 .
- the display case 65 is formed from, for example, a synthetic resin material.
- the display panel 23 is configured by a liquid crystal display panel in the present embodiment, other kinds of display panel like, for example, a plasma display panel, an organic EL, a plastic display panel, and a sheet display panel may also be available for the display panel.
- the body unit 62 includes a enclosure 12 formed from, for example, a synthetic resin material in a box shape, an opening 15 provided in the enclosure 12 , a compartment 16 provided on an inner side from the opening 15 , a module assembly 24 accommodated in the compartment 16 , a cover 17 to cover the opening 15 , a keyboard 66 provided on a top face (or a top wall) of the enclosure 12 , a touch pad 67 provided on the top face of the enclosure 12 , and a printed circuit board 68 accommodated inside the enclosure 12 .
- a enclosure 12 formed from, for example, a synthetic resin material in a box shape, an opening 15 provided in the enclosure 12 , a compartment 16 provided on an inner side from the opening 15 , a module assembly 24 accommodated in the compartment 16 , a cover 17 to cover the opening 15 , a keyboard 66 provided on a top face (or a top wall) of the enclosure 12 , a touch pad 67 provided on the top face of the enclosure 12 , and a printed circuit board 68
- a CPU (not shown) is provided on the printed circuit board 68 (also called a motherboard or main board).
- the module assembly 24 has a module 25 formed in a box shape, a first case 26 surrounding the outer side of the module 25 , a first cushion 27 provided between the module 25 and the first case 26 , a fastening member 28 that holds the module 25 with respect to the first case 26 , and a second cushion 29 attached on the inner surface of the cover 17 .
- the first case 26 is formed from a metallic material in a box shape having an opening on one side.
- the first case 26 includes a first wall portion 31 forming a bottom wall, a second wall portion 32 forming a side wall rising from the first wall portion 31 and having a attaching portion 32 A to the enclosure 12 , a pair of third wall portions 33 forming a side wall rising from the first wall portion 31 and through which the fastening member 28 (or a holding member) passes and a fourth wall portion 34 forming a side wall rising from the first wall portion 31 and positioned near a connector 35 A.
- the third wall portion 33 has a hole 36 to allow the fastening member 28 to pass through.
- the attaching portion 32 A is omitted.
- the module 25 is configured by a hard disk drive (HDD), but is not limited to the above example.
- the module 25 may be, for example, an optical disk device (ODD), a flash memory, a module mounted with a graphic chip, a wireless LAN module, or other components like a battery.
- ODD optical disk device
- flash memory a module mounted with a graphic chip
- wireless LAN module or other components like a battery.
- the module 25 includes a second case 37 forming an outer shell thereof.
- the second case 37 is a so-called shield case and prevents an electromagnetic wave from leaking from the module 25 to the outside or conversely an outside electromagnetic wave from adversely affecting the inside of the module 25 .
- the second case 37 has a first face 41 positioned near the enclosure 12 (cover 17 ), a second face 42 opposed to the first face 41 , a third face 43 having a connector 35 A connected to the printed circuit board 68 via a flexible cable or the like, a fourth face 44 opposed to the third face 43 , and a pair of fifth faces 45 provided with a anchor hole 47 to which the fastening member 28 (holding member) is secured.
- the fastening member 28 is an example of the holding member holding the module 25 movably with respect to the first case 26 and is configured by a so-called shouldered screw in the present embodiment.
- the fastening member 28 includes an engaging portion 51 in which a external thread is formed so as to be engaged with the module 25 , an shaft 52 extending from the engaging portion 51 and inserted into the hole 36 of the first case 26 , and a head portion 53 continuously formed with the shaft 52 .
- the shaft 52 is formed in a cylindrical shape, but no external thread is formed on the outer circumferential surface thereof.
- the head portion 53 is an example of a blocking portion and blocks the shaft 52 from dropping from the hole 36 of the first case 26 .
- a first gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between the head portion 53 and the first case 26 .
- each portion of the module assembly 24 is designed so that when the fastening member 28 is screwed into the module 25 , the first gap 54 remains between the first case 26 and the head portion 53 by an end face of the shaft 52 being bumped against the second case 37 of the module 25 .
- a second gap 55 of a predetermined dimension is formed between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 .
- the first cushion 27 has a plurality (four in the present embodiment) of first portion 56 attached to the first case 26 so as to correspond to corners of the module 25 and a plurality (four in the present embodiment) of second portions 57 attached to the first wall portion 31 of the first case 26 .
- the first portion 56 is formed like covering a corner of the module 25 and abuts on three faces of the module 25 .
- the second portion 57 is formed in a sheet shape and abuts on the second face 42 of the module 25 .
- Both of the first portion 56 and the second portion 57 of the first cushion 27 are formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, the first portion 56 and the second portion 57 may be formed from other materials such as a sponge.
- the second cushion 29 is formed in a sheet shape having a predetermined thickness and abuts on the first face 41 of the module 25 .
- the second cushion 29 is formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, the second cushion 29 may be formed from other materials such as a sponge. The second cushion 29 may be pasted to the first face 41 of the module 25 .
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the first case 26 ( FIG. 11 , the third wall portion 33 ) and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to the portable computer 61 in the D1 direction in FIGS. 9 and 11 .
- a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first portion 56 of the first cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to the first case 26 is prevented from being directly transmitted to the module 25 .
- the second gap 55 is provided between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to the portable computer 61 in the D2 direction or the D3 direction in FIGS. 9 and 11 .
- kinetic energy of the module 25 is absorbed by the first portion 56 and the second portion 57 of the first cushion 27 or the second cushion 29 positioned in the moving direction.
- an electronic apparatus includes the module 25 , the first case 26 provided on the outer side of the module 25 , the first cushion 27 provided between the module 25 and the first case 26 , and a holding member (or the fastening member 28 ) that holds the module 25 in the first case 26 and permits movement of the module 25 inside the first case 26 .
- the module 25 is held by the holding member such that movement of the module 25 inside the first case 26 is permitted, that is, in a floating state. Then, the first cushion 27 is interposed between the module 25 and the first case 26 and thus, even when an impact is applied to an electronic apparatus, the impact can be prevented from being directly applied to the module 25 .
- the holding member (or the fastening member 28 ) includes an engaging portion 51 engaged with the module 25 , an shaft 52 extending from the engaging portion 51 and inserted into the hole 36 of the first case 26 , and a blocking portion that blocks the shaft 52 from dropping from the hole 36 .
- the module 25 is held by the holding member inside the first case 26 so as not to drop from the first case 26 .
- the first gap 54 is formed between the head portion 53 (or the blocking portion) and the first case 26 .
- the module 25 can be prevented from being secured by the holding member so as not to be able to move with respect to the first case 26 .
- the module 25 is formed in a box shape and the first cushion 27 is provided in a position corresponding to a corner of the module 25 .
- the first cushion 27 abuts on at least two faces of the module 25 . According to the above configuration, the first cushion 27 abuts on two faces or more of the module 25 and thus, the number of components of a portable computer can be reduced by reducing the number of the first cushions 27 .
- a dent portion 58 is provided on the third wall portion 33 of the first case 26 in a position corresponding to the head portion 53 (or the blocking portion) of the fastening member 28 as an example of the holding member.
- the diameter of the dent portion 58 is formed equally or a little larger than the diameter of the head portion 53 .
- the first gap 54 is provided between the dent portion 58 and the head portion 53 (or the blocking portion). According to the present modification, the first gap 54 can surely be created between the head portion 53 and the first case 26 and thus, even if affected by a manufacturing tolerance contained in each component, the module 25 can be prevented from being unable to move with respect to the first case 26 .
- the fastening member 28 as an example of the holding member is configured not by a shouldered screw, but by a common screw (that is, a parallel screw without the shouldered portion of the shaft).
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the third wall portion 33 of the first case 26 .
- the first gap 54 may be provided by a worker who assembles the module 25 while visually being checked and created.
- the length of each portion may be designed so that the first gap 54 is created between the head portion 53 and the first case 26 by providing a bottom in the anchor hole 47 of the module 25 and bumping the tip of the engaging portion 51 of the fastening member 28 against the bottom.
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the third wall portion 33 of the first case 26 and thus, the module 25 can be made movable with respect to the first case 26 . Accordingly, even when an impact is applied to an electronic apparatus, the impact can be prevented from being directly applied to the module 25 .
- a modification (third modification) of an electronic apparatus in the second embodiment will be described with reference to FIG. 14 .
- the protrusion portion 71 is an example of the holding member that holds the module 25 movably with respect to the first case 26 .
- the protrusion portion 71 protrudes from the first case 26 to the side of the module 25 and exhibits flexibility as a whole.
- the protrusion portion 71 has an abutting portion 71 A abutting on the module 25 near a tip portion thereof.
- the abutting portion 71 A protrudes from the first case 26 toward the module 25 .
- the protrusion portion 71 holds the module 25 inside the first case 26 such that the module 25 is permitted to move in the range of an infinitesimal distance inside the first case 26 . According to these modifications, like the second embodiment, an impact from outside can be prevented from being directly applied to the module 25 .
- the present embodiment will be described by taking as an example a portable computer 61 as an example of the electronic apparatus.
- the portable computer 61 is different from the portable computer in the second embodiment in that a portion 27 A of a first cushion 27 is attached to the side of the module 25 and otherwise, the present embodiment is common to the second embodiment. Thus, mainly different portions will be described and the description of common portion is omitted.
- the portable computer 61 in the third embodiment has an outer shape similar to that shown in FIG. 7 .
- a module assembly 24 has the module 25 in a box shape, a first case 26 surrounding the outer side of the module 25 , a first cushion 27 provided between the module 25 and the first case 26 , a fastening member 28 that holds the module 25 with respect to the first case 26 , and a second cushion 29 attached on the inner surface of a cover 17 .
- the module 25 is configured by a hard disk drive (HDD), but, for example, like the other embodiments described above, other components mat also be adopted.
- HDD hard disk drive
- the module 25 includes a second case 37 as an outer shell thereof.
- the second case 37 is a so-called shield case that blocks electromagnetic waves.
- the second case 37 has a first face 41 positioned near a enclosure 12 (or the cover 17 ), a second face 42 opposing the first face 41 , a third face 43 having a connector 35 A, a fourth face 44 opposing the third face 43 , and a pair of fifth faces 45 provided with a anchor hole 47 to which the fastening member 28 (or a holding member) is attached.
- the second case 37 is provided with openings 75 at four corners adjacent to the second face 42 .
- the connector 35 A is connected to a printed circuit board 68 via an opposing connector 35 B, a connector substrate 72 , and a flexible cable (not shown) or the like.
- the fastening member 28 is an example of the holding member and is configured by a shouldered screw in the present embodiment, which is the same as in the second embodiment.
- a first gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between the head portion 53 of the fastening member 28 and the first case 26 .
- the length of each portion of the module assembly 24 is designed so that when the fastening member 28 is advanced toward the module 25 , the first gap 54 remains between the first case 26 and the head portion 53 by an end face of the shaft 52 being bumped against the second case 37 of the module 25 .
- a second gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between the shaft 52 of the fastening member 28 and a hole 36 of the first case 26 .
- the first cushion 27 has a plurality (four in the present embodiment) of the portions 27 A provided in positions corresponding to corners of the module 25 .
- Each of the portions 27 A has a base portion 73 provided on the inner side of the second case 37 of the module 25 and a projecting part 74 protruding to the outer side of the second case 37 via the opening 75 .
- the projecting part 74 can abut on two wall portions or more of the first case 26 .
- the portion 27 A shown in the lower left in FIG. 15 abuts on, as shown in FIGS. 15 and 16 , a first wall portion 31 , a third wall portion 33 , and a fourth wall portion 34 of the first case 26 .
- Each of the portions 27 A of the first cushion 27 is formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, the portion 27 A may be formed from a member of other materials such as a sponge.
- Each of the portions 27 A of the first cushion 27 is formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge.
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the first case 26 (in this case, the third wall portion 33 ) and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to the portable computer 61 in the D1 direction in FIG. 15 .
- a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by a first portion 56 of the first cushion 27 positioned in the moving direction.
- the second gap 55 is provided between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to the portable computer 61 in the D2 direction or the D3 direction in FIGS. 15 and 16 .
- a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the portion 27 A of the first cushion 27 or the second cushion 29 positioned in the moving direction.
- a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first cushion 27 positioned in the moving direction.
- the module 25 forms a box shape and the first cushion 27 protrudes from the module 25 in a position of a corner of the module 25 .
- the module 25 abuts on at least two wall portions of the first case 26 .
- the first cushion 27 abuts on two wall portions or more of the first case 26 and thus, the number of components of a portable computer can be reduced by reducing the number of the first cushions 27 .
- An electronic apparatus includes the enclosure 12 internally accommodating the first case 26 , the cover 17 removable from the enclosure 12 , and the second cushion 29 provided on the inner surface of the cover 17 and abutting on the first case 26 . According to the above configuration, an impact can be prevented from being applied to the module 25 while a structure in which the module 25 is easily accessible from outside the enclosure 12 being realized.
- FIGS. 17 and 18 a case when applied to a portable computer 61 as an example of the electronic apparatus will be described.
- the portable computer 61 is different from that in the second embodiment in that a first case 26 surrounds all six faces of a module 25 , a first cushion 27 is arranged differently, and no cover 17 is provided and otherwise, the present embodiment is common to the second embodiment. Thus, mainly different portions will be described and the description of common portions is omitted.
- the portable computer 61 in the fourth embodiment has an outer shape similar to that shown in FIG. 7 .
- a module assembly 24 has the module 25 forming a box shape, a first case 26 surrounding the outer side of the module 25 , a first cushion 27 provided between the module 25 and the first case 26 , and a fastening member 28 that holds the module 25 with respect to the first case 26 .
- the first case 26 is formed from a metallic material in a box shape surrounding six faces of the module 25 .
- the first case 26 includes a first wall portion 31 forming a bottom wall and opposed to a second face 42 of the module 25 , a second wall portion 32 forming a side wall rising from the first wall portion 31 , a pair of third wall portions 33 forming a side wall rising from the first wall portion 31 and through which the fastening member 28 (or a holding member) passes, a fourth wall portion 34 forming a side wall rising from the first wall portion 31 and positioned near a connector 35 A, and a fifth wall portion 38 facing the first wall portion 31 .
- the third wall portion 33 has a hole 36 to allow the fastening member 28 to pass through.
- Each wall portion of the first case 26 is opposed one-to-one to each face of the module 25 .
- the module 25 is configured by a hard disk drive (HDD), but is not limited to such an example and other components may also be adopted like the above embodiments.
- a detailed configuration of the module 25 is the same as that of the second embodiment.
- the connector 35 A is connected to a printed circuit board 68 via an opposed connector 35 B, a connector substrate 72 , and a flexible cable (not shown) or the like.
- the configuration of the fastening member 28 is the same as that of the second embodiment.
- a first gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between a head portion 53 and the first case 26 .
- a second gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between an shaft 52 of the fastening member 28 and the hole 36 of the first case 26 .
- the fastening member 28 may be omitted.
- the first cushion 27 has a plurality (eight in the present embodiment) of first portions 56 attached to the first case 26 so as to correspond to eight corners of the module 25 .
- the first portion 56 has approximately the same shape as that of the first portion 56 in the second embodiment and a little smaller dimension. As shown in FIGS. 17 and 18 , the first portion 56 is formed like covering a corner of the module 25 and abuts on three faces of the module 25 .
- the first portion 56 is provided in each gap formed between a face of the module 25 and a wall portion of the first case 26 .
- Each of the first portions 56 of the first cushion 27 are formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, the first portion 56 may be formed from other materials such as a sponge.
- the first gap 54 is provided between the head portion 53 of the fastening member 28 and the first case 26 (here, the third wall portion 33 ) and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to the portable computer 61 in the D1 direction in FIG. 17 .
- the module 25 moves as described above, a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first portion 56 of the first cushion 27 positioned in the moving direction.
- the second gap 55 is provided between the shaft 52 of the fastening member 28 and the hole 36 of the first case 26 and thus, even though it is an infinitesimal distance, the module 25 can move inside the first case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to the portable computer 61 in the D2 direction or the D3 direction in FIGS. 17 and 18 .
- the module 25 moves in the D2 direction, a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first cushion 27 positioned in the moving direction.
- a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first cushion 27 positioned in the moving direction.
- the module 25 has a box shape having a plurality of faces and the first case 26 has a plurality of wall portions opposed to a plurality of faces one-to-one. Then, the first cushion 27 has a plurality of the portions 27 A provided in each gap created between a face and a wall portion opposed to each other. According to the above configuration, in whichever direction the module 25 vibrates, a difference of relative kinetic energy between the module 25 and the first case 26 is absorbed by the first cushion 27 . Therefore, a strong impact can be prevented from being applied to the module 25 .
- the plurality of the portions 27 A is provided in positions corresponding to corners of the module 25 and abuts on at least two faces of the module 25 . According to the above configuration, each portion of the first cushion 27 abuts on two faces or more of the module 25 and thus, the number of components can be reduced by reducing the number of the first cushions 27 .
- the connector 35 A of the module 25 is connected to the system board 21 (or the printed circuit board 68 ) via a flexible cable or the like.
- the connector 35 A may directly be connected to the remote connector 35 B implemented in the system board 21 (or the printed circuit board 68 ).
- the electronic apparatus is not limited to the television 11 or the portable computer 61 described in details in the above embodiments.
- the above technologies and configurations of the electronic apparatuses can naturally be applied to other electronic apparatuses like, for example, a mobile phone and an electronic book reader.
- the electronic apparatuses are not limited to as they are in the above embodiments and can be embodied by modifying elements without deviating from the spirit thereof in a working stage. Further, a plurality of elements disclosed in the above embodiments may appropriately be combined to form various inventions. For example, some elements may be excluded from all elements shown in one embodiment. Further, elements of a plurality of embodiments may appropriately be combined.
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Abstract
Description
- This application is based upon and claims the benefit of priority from Japanese Patent Application No. 2013-094508, filed Apr. 26, 2013, the entire contents of which are incorporated herein by reference.
- Embodiments described herein relate generally to an electronic apparatus which are including a module.
- In recent years, there are needs for highly reliable electronic apparatuses having high resistance to impact on the market of electronic apparatuses. An electronic apparatus contains a plurality of modules used for various purposes. Protecting these modules from vibration and impact leads to the improvement of reliability of electronic apparatuses. Thus, softening vibration and impact on modules contributes to the improvement of reliability of electronic apparatuses.
-
FIG. 1 shows a front view of a display apparatus as an example an electronic apparatus according to a first embodiment; -
FIG. 2 is a rear view showing a module assembly after a cover of the display apparatus inFIG. 1 is removed from an enclosure; -
FIG. 3 is a perspective view schematically showing the module assembly inFIG. 2 ; -
FIG. 4 is a perspective view showing modules in the module assembly inFIG. 3 ; -
FIG. 5 is a perspective view showing a first case of the module assembly inFIG. 3 ; -
FIG. 6 is a sectional view of the module assembly along an F6-F6 line inFIG. 3 ; -
FIG. 7 shows a perspective view of a portable computer as an example of the electronic apparatus according to a second embodiment; -
FIG. 8 is a bottom view showing the module assembly when the cover of the portable computer inFIG. 7 is removed from the enclosure; -
FIG. 9 is a perspective view schematically showing the module assembly inFIG. 8 ; -
FIG. 10 is a perspective view showing a first case of the module assembly inFIG. 7 ; -
FIG. 11 is a sectional view of the module assembly along an F11-F11 line inFIG. 9 ; -
FIG. 12 shows a sectional view of a first modification of the electronic apparatus according to the second embodiment; -
FIG. 13 shows a sectional view of a second modification of the electronic apparatus according to the second embodiment; -
FIG. 14 shows a sectional view of a third modification of the electronic apparatus according to the second embodiment; -
FIG. 15 is a sectional view of the module assembly of the portable computer as an example of the electronic apparatus according to the third embodiment cut along a D1 direction and a D3 direction; -
FIG. 16 is a sectional view of the module assembly inFIG. 15 cut along a D2 direction and the D3 direction; -
FIG. 17 is a sectional view of the module assembly of the portable computer as an example of the electronic apparatus according to a fourth embodiment cut along the D1 direction and the D3 direction; and -
FIG. 18 is a sectional view of the module assembly inFIG. 17 cut along the D2 direction and the D3 direction. - In general, an electronic apparatus according to an embodiment includes a first case, a module, a first cushion, and a holding member. The module is accommodated in the first case. The first cushion is provided between the first case and the module. The holding member holds the module with respect to the first case movably in inside the first case. The electronic apparatus thereby improves the reliability.
- A first embodiment of an electronic apparatus will be described with reference to
FIGS. 1 to 6 . As shown inFIG. 1 , atelevision 11 as an example of the electronic apparatus is a display apparatus (including an electronic apparatus, a television, a receiver, a broadcasting wave receiving apparatus, a receiving apparatus, an image display apparatus and the like) having an outer shape of a rectangular parallelepiped (including a rectangular, flat box). - As shown in
FIG. 1 , thetelevision 11 includes anenclosure 12 formed from, for example, a synthetic resin material and aleg portion 13 supporting theenclosure 12. Theleg portion 13 includes aswivel portion 14 to turn theenclosure 12 in the horizontal direction. As shown inFIG. 2 , theenclosure 12 has anopening 15, acompartment 16 provided on an inner side from theopening 15, acover 17 to cover theopening 15, in a position corresponding to amodule 25 described later. - As shown in
FIGS. 1 and 2 , thetelevision 11 includes a system board 21 (also called a printed circuit board or circuit board) that centrally controls each unit, a power circuit board 22 (also called a power supply module, power unit, or power controller), aflat display panel 23 including a face on which an image is displayed as a display screen, and amodule assembly 24 accommodated in thecompartment 16 inside theenclosure 12. Thesystem board 21 includes, for example, a tuner. - The
display panel 23 is configured by a liquid crystal display panel. The other kinds of display panel like, for example, a plasma display panel, an organic EL, a plastic display panel, and a sheet display panel may also be available for the display panel. - As shown in
FIGS. 3 to 5 , themodule assembly 24 has themodule 25 in a box shape, afirst case 26 surrounding the outer side of themodule 25, afirst cushion 27 provided between themodule 25 and thefirst case 26, afastening member 28 that holds themodule 25 with respect to thefirst case 26, and asecond cushion 29 secured on the inner surface of thecover 17. - As shown in
FIG. 5 , thefirst case 26 is formed from a metallic material in a box shape having an opening on one side. Thefirst case 26 includes afirst wall portion 31 forming a bottom wall, asecond wall portion 32 forming a side wall rising from thefirst wall portion 31 and having a attachingportion 32A to theenclosure 12, a pair ofthird wall portions 33 forming a side wall rising from thefirst wall portion 31 and through which the fastening member 28 (or a holding member) passes and afourth wall portion 34 forming a side wall rising from thefirst wall portion 31 and positioned near aconnector 35A. Thethird wall portion 33 has a plurality (four in the present embodiment) ofholes 36 to allow the fasteningmember 28 to pass through. InFIG. 3 , the attachingportion 32A is omitted. - In the present embodiment, the
module 25 is configured by a hard disk drive (HDD), but is not limited to the above example. Themodule 25 may be, for example, an optical disk device (ODD), a flash memory, a module mounted with a graphic chip, a wireless LAN module, or other components like a battery. - As shown in
FIG. 4 , themodule 25 includes asecond case 37 forming an outer shell thereof. Thesecond case 37 is a so-called shield case and prevents an electromagnetic wave from leaking from themodule 25 to the outside or conversely an outside electromagnetic wave from adversely affecting the inside of themodule 25. - The
second case 37 has afirst face 41 positioned near the enclosure 12 (cover 17), asecond face 42 opposed to thefirst face 41, athird face 43 having theconnector 35A connected to thesystem board 21 via a flexible cable or the like, afourth face 44 facing thethird face 43, and a pair offifth faces 45 provided with a plurality (four in the present embodiment) ofanchor holes 47 to which the fastening member 28 (or a holding member) is secured. - As shown in
FIGS. 3 and 6 , the fasteningmember 28 is an example of the holding member movably holding themodule 25 with respect to thefirst case 26 and is configured by a so-called shouldered screw in the present embodiment. The fasteningmember 28 includes anengaging portion 51 in which an external thread is formed so as to be engaged with themodule 25, ashaft 52 extending from theengaging portion 51 and inserted into thehole 36 of thefirst case 26, and ahead portion 53 continuously formed with theshaft 52. Theshaft 52 is formed in a cylindrical shape and the outer circumferential surface thereof is formed smoothly without any external thread being formed. Thehead portion 53 is an example of a blocking portion and blocks theshaft 52 from dropping from thehole 36 of thefirst case 26. In the present embodiment, afirst gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between thehead portion 53 and thefirst case 26. In addition, asecond gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26. - As shown in
FIGS. 5 and 6 , thefirst cushion 27 has a plurality (four in the present embodiment) offirst portion 56 attached to thefirst case 26 so as to correspond to corners of themodule 25 and a plurality (four in the present embodiment) ofsecond portions 57 attached to thefirst wall portion 31 of thefirst case 26. Thefirst portion 56 is formed like covering a corner on the side of thesecond face 42 of themodule 25 and abuts on three faces of themodule 25. For example, in the upper left inFIG. 5 , thefirst portion 56 provided in a position extending over thefirst wall portion 31, thethird wall portion 33, and thefourth wall portion 34 abuts on thesecond face 42, thethird face 43, and thefifth face 45 of themodule 25. Similarly, in the upper right inFIG. 5 , thefirst portion 56 provided in a position extending over thefirst wall portion 31, thesecond wall portion 32, and thethird wall portion 33 abuts on thesecond face 42, thefourth face 44, and thefifth face 45 of themodule 25. - The
second portion 57 is formed in a sheet shape having a predetermined thickness and abuts on thesecond face 42 of themodule 25. Both of thefirst portion 56 and thesecond portion 57 of thefirst cushion 27 are integrally formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge. - As shown in
FIGS. 2 and 3 , thesecond cushion 29 is formed in a sheet shape having a predetermined thickness and abuts on thefirst face 41 of themodule 25. Thesecond cushion 29 is integrally formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge. Thesecond cushion 29 may be pasted to thefirst face 41 of themodule 25. - Subsequently, an impact absorption function for the
module 25 of thetelevision 11 in the first embodiment will be described with reference toFIGS. 3 and 6 . When an impact is applied to thetelevision 11 in the D1 direction inFIGS. 3 and 6 , thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and the first case 26 (here, the third wall portion 33) and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D1 direction. When themodule 25 moves as described above, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst portion 56 of thefirst cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to thefirst case 26 is prevented from being directly transmitted to themodule 25. - Similarly, the
second gap 55 is provided between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26 and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to thetelevision 11 in the D2 direction or the D3 direction inFIGS. 3 and 6 . When themodule 25 moves in the D2 direction, kinetic energy of themodule 25 is absorbed by thefirst portion 56 and thesecond portion 57 of thefirst cushion 27 or thesecond cushion 29 positioned in the moving direction. When themodule 25 moves in the D3 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst portion 56 of thefirst cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to thefirst case 26 is prevented from being directly transmitted to themodule 25. - According to the first embodiment, a display apparatus includes the
module 25, thefirst case 26 surrounded of themodule 25, thefirst cushion 27 provided between themodule 25 and thefirst case 26, and a holding member (or the fastening member 28) that holds themodule 25 in thefirst case 26 and permits movement of themodule 25 inside thefirst case 26. - According to the above configuration, the holding member holds the
module 25 such that movement of themodule 25 inside thefirst case 26 is permitted, that is, in a floating state. Therefore, even if an impact is applied to the display apparatus, the impact can be prevented from being directly propagated to themodule 25. - An embodiment (second embodiment) of an electronic apparatus will be described with reference to
FIGS. 7 to 11 . In the present embodiment, a case will be described when it is applied to aportable computer 61 as an example of the electronic apparatus. The appearance of theportable computer 61 is different from that of the display apparatus in the first embodiment, but a portion of an internal structure is common to that in the first embodiment. Thus, mainly different portions will be described and common reference numerals or symbols are attached to common portions and the description thereof is omitted. - As shown in
FIG. 7 , aportable computer 61 as an example of the electronic apparatus includes abody unit 62, adisplay unit 63, and ahinge portion 64 provided between thebody unit 62 and thedisplay unit 63. Thehinge portion 64 rotatably supports thedisplay unit 63. - The
display unit 63 has adisplay panel 23 and adisplay case 65 surrounding thedisplay panel 23. Thedisplay case 65 is formed from, for example, a synthetic resin material. Thedisplay panel 23 is configured by a liquid crystal display panel in the present embodiment, other kinds of display panel like, for example, a plasma display panel, an organic EL, a plastic display panel, and a sheet display panel may also be available for the display panel. - As shown in
FIGS. 7 and 8 , thebody unit 62 includes aenclosure 12 formed from, for example, a synthetic resin material in a box shape, anopening 15 provided in theenclosure 12, acompartment 16 provided on an inner side from theopening 15, amodule assembly 24 accommodated in thecompartment 16, acover 17 to cover theopening 15, akeyboard 66 provided on a top face (or a top wall) of theenclosure 12, atouch pad 67 provided on the top face of theenclosure 12, and a printedcircuit board 68 accommodated inside theenclosure 12. - A CPU (not shown) is provided on the printed circuit board 68 (also called a motherboard or main board).
- As shown in
FIGS. 9 and 10 , themodule assembly 24 has amodule 25 formed in a box shape, afirst case 26 surrounding the outer side of themodule 25, afirst cushion 27 provided between themodule 25 and thefirst case 26, afastening member 28 that holds themodule 25 with respect to thefirst case 26, and asecond cushion 29 attached on the inner surface of thecover 17. - As shown in
FIG. 10 , thefirst case 26 is formed from a metallic material in a box shape having an opening on one side. Thefirst case 26 includes afirst wall portion 31 forming a bottom wall, asecond wall portion 32 forming a side wall rising from thefirst wall portion 31 and having a attachingportion 32A to theenclosure 12, a pair ofthird wall portions 33 forming a side wall rising from thefirst wall portion 31 and through which the fastening member 28 (or a holding member) passes and afourth wall portion 34 forming a side wall rising from thefirst wall portion 31 and positioned near aconnector 35A. Thethird wall portion 33 has ahole 36 to allow thefastening member 28 to pass through. InFIG. 9 , the attachingportion 32A is omitted. - In the present embodiment, as shown in
FIG. 9 , themodule 25 is configured by a hard disk drive (HDD), but is not limited to the above example. Themodule 25 may be, for example, an optical disk device (ODD), a flash memory, a module mounted with a graphic chip, a wireless LAN module, or other components like a battery. - The
module 25 includes asecond case 37 forming an outer shell thereof. Thesecond case 37 is a so-called shield case and prevents an electromagnetic wave from leaking from themodule 25 to the outside or conversely an outside electromagnetic wave from adversely affecting the inside of themodule 25. - Like the
module 25 shown inFIG. 4 , thesecond case 37 has afirst face 41 positioned near the enclosure 12 (cover 17), asecond face 42 opposed to thefirst face 41, athird face 43 having aconnector 35A connected to the printedcircuit board 68 via a flexible cable or the like, afourth face 44 opposed to thethird face 43, and a pair of fifth faces 45 provided with aanchor hole 47 to which the fastening member 28 (holding member) is secured. - As shown in
FIG. 11 , thefastening member 28 is an example of the holding member holding themodule 25 movably with respect to thefirst case 26 and is configured by a so-called shouldered screw in the present embodiment. Thefastening member 28 includes an engagingportion 51 in which a external thread is formed so as to be engaged with themodule 25, anshaft 52 extending from the engagingportion 51 and inserted into thehole 36 of thefirst case 26, and ahead portion 53 continuously formed with theshaft 52. Theshaft 52 is formed in a cylindrical shape, but no external thread is formed on the outer circumferential surface thereof. Thehead portion 53 is an example of a blocking portion and blocks theshaft 52 from dropping from thehole 36 of thefirst case 26. In the present embodiment, afirst gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between thehead portion 53 and thefirst case 26. - The length of each portion of the
module assembly 24 is designed so that when thefastening member 28 is screwed into themodule 25, thefirst gap 54 remains between thefirst case 26 and thehead portion 53 by an end face of theshaft 52 being bumped against thesecond case 37 of themodule 25. In addition, asecond gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26. - As shown in
FIG. 10 , thefirst cushion 27 has a plurality (four in the present embodiment) offirst portion 56 attached to thefirst case 26 so as to correspond to corners of themodule 25 and a plurality (four in the present embodiment) ofsecond portions 57 attached to thefirst wall portion 31 of thefirst case 26. Like in the first embodiment, thefirst portion 56 is formed like covering a corner of themodule 25 and abuts on three faces of themodule 25. - The
second portion 57 is formed in a sheet shape and abuts on thesecond face 42 of themodule 25. Both of thefirst portion 56 and thesecond portion 57 of thefirst cushion 27 are formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, thefirst portion 56 and thesecond portion 57 may be formed from other materials such as a sponge. - As shown in
FIGS. 8 and 9 , thesecond cushion 29 is formed in a sheet shape having a predetermined thickness and abuts on thefirst face 41 of themodule 25. Thesecond cushion 29 is formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, thesecond cushion 29 may be formed from other materials such as a sponge. Thesecond cushion 29 may be pasted to thefirst face 41 of themodule 25. - Subsequently, an impact absorption function for the
module 25 of theportable computer 61 in the second embodiment will be described with reference toFIGS. 9 and 11 . Thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and the first case 26 (FIG. 11 , the third wall portion 33) and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to theportable computer 61 in the D1 direction inFIGS. 9 and 11 . When themodule 25 moves as described above, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst portion 56 of thefirst cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to thefirst case 26 is prevented from being directly transmitted to themodule 25. - Similarly, the
second gap 55 is provided between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26 and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to theportable computer 61 in the D2 direction or the D3 direction inFIGS. 9 and 11 . When themodule 25 moves in the D2 direction, kinetic energy of themodule 25 is absorbed by thefirst portion 56 and thesecond portion 57 of thefirst cushion 27 or thesecond cushion 29 positioned in the moving direction. When themodule 25 moves in the D3 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst portion 56 of thefirst cushion 27 positioned in the moving direction. Accordingly, an impact or vibration propagated to thefirst case 26 is prevented from being directly transmitted to themodule 25. - According to the second embodiment, an electronic apparatus includes the
module 25, thefirst case 26 provided on the outer side of themodule 25, thefirst cushion 27 provided between themodule 25 and thefirst case 26, and a holding member (or the fastening member 28) that holds themodule 25 in thefirst case 26 and permits movement of themodule 25 inside thefirst case 26. - According to the above configuration, the
module 25 is held by the holding member such that movement of themodule 25 inside thefirst case 26 is permitted, that is, in a floating state. Then, thefirst cushion 27 is interposed between themodule 25 and thefirst case 26 and thus, even when an impact is applied to an electronic apparatus, the impact can be prevented from being directly applied to themodule 25. - The holding member (or the fastening member 28) includes an engaging
portion 51 engaged with themodule 25, anshaft 52 extending from the engagingportion 51 and inserted into thehole 36 of thefirst case 26, and a blocking portion that blocks theshaft 52 from dropping from thehole 36. According to the above configuration, themodule 25 is held by the holding member inside thefirst case 26 so as not to drop from thefirst case 26. - The
first gap 54 is formed between the head portion 53 (or the blocking portion) and thefirst case 26. Thus, themodule 25 can be prevented from being secured by the holding member so as not to be able to move with respect to thefirst case 26. - The
module 25 is formed in a box shape and thefirst cushion 27 is provided in a position corresponding to a corner of themodule 25. Thefirst cushion 27 abuts on at least two faces of themodule 25. According to the above configuration, thefirst cushion 27 abuts on two faces or more of themodule 25 and thus, the number of components of a portable computer can be reduced by reducing the number of the first cushions 27. - Subsequently, a modification (first modification) of an electronic apparatus in the second embodiment will be described with reference to
FIG. 12 . In the present modification, adent portion 58 is provided on thethird wall portion 33 of thefirst case 26 in a position corresponding to the head portion 53 (or the blocking portion) of thefastening member 28 as an example of the holding member. The diameter of thedent portion 58 is formed equally or a little larger than the diameter of thehead portion 53. Thefirst gap 54 is provided between thedent portion 58 and the head portion 53 (or the blocking portion). According to the present modification, thefirst gap 54 can surely be created between thehead portion 53 and thefirst case 26 and thus, even if affected by a manufacturing tolerance contained in each component, themodule 25 can be prevented from being unable to move with respect to thefirst case 26. - Subsequently, a modification (second modification) of an electronic apparatus in the second embodiment will be described with reference to
FIG. 13 . In the present modification, thefastening member 28 as an example of the holding member is configured not by a shouldered screw, but by a common screw (that is, a parallel screw without the shouldered portion of the shaft). Thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and thethird wall portion 33 of thefirst case 26. Thefirst gap 54 may be provided by a worker who assembles themodule 25 while visually being checked and created. Alternatively, the length of each portion may be designed so that thefirst gap 54 is created between thehead portion 53 and thefirst case 26 by providing a bottom in theanchor hole 47 of themodule 25 and bumping the tip of the engagingportion 51 of thefastening member 28 against the bottom. Also in the present modification, thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and thethird wall portion 33 of thefirst case 26 and thus, themodule 25 can be made movable with respect to thefirst case 26. Accordingly, even when an impact is applied to an electronic apparatus, the impact can be prevented from being directly applied to themodule 25. - Subsequently, a modification (third modification) of an electronic apparatus in the second embodiment will be described with reference to
FIG. 14 . In the present modification, instead of thefastening member 28 in the second embodiment, aprotrusion portion 71 formed integrally with thefirst case 26 is provided. Theprotrusion portion 71 is an example of the holding member that holds themodule 25 movably with respect to thefirst case 26. Theprotrusion portion 71 protrudes from thefirst case 26 to the side of themodule 25 and exhibits flexibility as a whole. Theprotrusion portion 71 has anabutting portion 71A abutting on themodule 25 near a tip portion thereof. The abuttingportion 71A protrudes from thefirst case 26 toward themodule 25. - The
protrusion portion 71 holds themodule 25 inside thefirst case 26 such that themodule 25 is permitted to move in the range of an infinitesimal distance inside thefirst case 26. According to these modifications, like the second embodiment, an impact from outside can be prevented from being directly applied to themodule 25. - Subsequently, the third embodiment of an electronic apparatus will be described with reference to
FIGS. 15 and 16 . The present embodiment will be described by taking as an example aportable computer 61 as an example of the electronic apparatus. Theportable computer 61 is different from the portable computer in the second embodiment in that aportion 27A of afirst cushion 27 is attached to the side of themodule 25 and otherwise, the present embodiment is common to the second embodiment. Thus, mainly different portions will be described and the description of common portion is omitted. Theportable computer 61 in the third embodiment has an outer shape similar to that shown inFIG. 7 . - A
module assembly 24 has themodule 25 in a box shape, afirst case 26 surrounding the outer side of themodule 25, afirst cushion 27 provided between themodule 25 and thefirst case 26, afastening member 28 that holds themodule 25 with respect to thefirst case 26, and asecond cushion 29 attached on the inner surface of acover 17. - In the present embodiment, the
module 25 is configured by a hard disk drive (HDD), but, for example, like the other embodiments described above, other components mat also be adopted. - The
module 25 includes asecond case 37 as an outer shell thereof. Thesecond case 37 is a so-called shield case that blocks electromagnetic waves. - Like the
module 25 shown inFIG. 4 , thesecond case 37 has afirst face 41 positioned near a enclosure 12 (or the cover 17), asecond face 42 opposing thefirst face 41, athird face 43 having aconnector 35A, afourth face 44 opposing thethird face 43, and a pair of fifth faces 45 provided with aanchor hole 47 to which the fastening member 28 (or a holding member) is attached. Thesecond case 37 is provided withopenings 75 at four corners adjacent to thesecond face 42. Theconnector 35A is connected to a printedcircuit board 68 via an opposingconnector 35B, aconnector substrate 72, and a flexible cable (not shown) or the like. - The
fastening member 28 is an example of the holding member and is configured by a shouldered screw in the present embodiment, which is the same as in the second embodiment. In the present embodiment, afirst gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between thehead portion 53 of thefastening member 28 and thefirst case 26. The length of each portion of themodule assembly 24 is designed so that when thefastening member 28 is advanced toward themodule 25, thefirst gap 54 remains between thefirst case 26 and thehead portion 53 by an end face of theshaft 52 being bumped against thesecond case 37 of themodule 25. In addition, asecond gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between theshaft 52 of thefastening member 28 and ahole 36 of thefirst case 26. - The
first cushion 27 has a plurality (four in the present embodiment) of theportions 27A provided in positions corresponding to corners of themodule 25. Each of theportions 27A has abase portion 73 provided on the inner side of thesecond case 37 of themodule 25 and a projectingpart 74 protruding to the outer side of thesecond case 37 via theopening 75. The projectingpart 74 can abut on two wall portions or more of thefirst case 26. For example, theportion 27A shown in the lower left inFIG. 15 abuts on, as shown inFIGS. 15 and 16 , afirst wall portion 31, athird wall portion 33, and afourth wall portion 34 of thefirst case 26. Similarly, theportion 27A shown in the lower right inFIG. 15 abuts on, as shown inFIGS. 15 and 16 , thefirst wall portion 31 and thethird wall portion 33 of thefirst case 26. Each of theportions 27A of thefirst cushion 27 is formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, theportion 27A may be formed from a member of other materials such as a sponge. - Each of the
portions 27A of thefirst cushion 27 is formed from an elastic body such as synthetic rubber, but may also be formed from other materials such as a sponge. - Subsequently, an impact absorption function for the
module 25 of theportable computer 61 in the third embodiment will be described with reference toFIGS. 15 and 16 . Thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and the first case 26 (in this case, the third wall portion 33) and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to theportable computer 61 in the D1 direction inFIG. 15 . When themodule 25 moves as described above, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by afirst portion 56 of thefirst cushion 27 positioned in the moving direction. - Similarly, the
second gap 55 is provided between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26 and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to theportable computer 61 in the D2 direction or the D3 direction inFIGS. 15 and 16 . When themodule 25 moves in the D2 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by theportion 27A of thefirst cushion 27 or thesecond cushion 29 positioned in the moving direction. When themodule 25 moves in the D3 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst cushion 27 positioned in the moving direction. - According to the third embodiment, the
module 25 forms a box shape and thefirst cushion 27 protrudes from themodule 25 in a position of a corner of themodule 25. Themodule 25 abuts on at least two wall portions of thefirst case 26. According to the above configuration, thefirst cushion 27 abuts on two wall portions or more of thefirst case 26 and thus, the number of components of a portable computer can be reduced by reducing the number of the first cushions 27. - An electronic apparatus includes the
enclosure 12 internally accommodating thefirst case 26, thecover 17 removable from theenclosure 12, and thesecond cushion 29 provided on the inner surface of thecover 17 and abutting on thefirst case 26. According to the above configuration, an impact can be prevented from being applied to themodule 25 while a structure in which themodule 25 is easily accessible from outside theenclosure 12 being realized. - Subsequently, the fourth embodiment of an electronic apparatus will be described with reference to
FIGS. 17 and 18 . In the present embodiment, a case when applied to aportable computer 61 as an example of the electronic apparatus will be described. Theportable computer 61 is different from that in the second embodiment in that afirst case 26 surrounds all six faces of amodule 25, afirst cushion 27 is arranged differently, and nocover 17 is provided and otherwise, the present embodiment is common to the second embodiment. Thus, mainly different portions will be described and the description of common portions is omitted. Theportable computer 61 in the fourth embodiment has an outer shape similar to that shown inFIG. 7 . - A
module assembly 24 has themodule 25 forming a box shape, afirst case 26 surrounding the outer side of themodule 25, afirst cushion 27 provided between themodule 25 and thefirst case 26, and afastening member 28 that holds themodule 25 with respect to thefirst case 26. - The
first case 26 is formed from a metallic material in a box shape surrounding six faces of themodule 25. Thefirst case 26 includes afirst wall portion 31 forming a bottom wall and opposed to asecond face 42 of themodule 25, asecond wall portion 32 forming a side wall rising from thefirst wall portion 31, a pair ofthird wall portions 33 forming a side wall rising from thefirst wall portion 31 and through which the fastening member 28 (or a holding member) passes, afourth wall portion 34 forming a side wall rising from thefirst wall portion 31 and positioned near aconnector 35A, and a fifth wall portion 38 facing thefirst wall portion 31. Thethird wall portion 33 has ahole 36 to allow thefastening member 28 to pass through. Each wall portion of thefirst case 26 is opposed one-to-one to each face of themodule 25. - In the present embodiment, the
module 25 is configured by a hard disk drive (HDD), but is not limited to such an example and other components may also be adopted like the above embodiments. A detailed configuration of themodule 25 is the same as that of the second embodiment. Theconnector 35A is connected to a printedcircuit board 68 via anopposed connector 35B, aconnector substrate 72, and a flexible cable (not shown) or the like. - The configuration of the
fastening member 28 is the same as that of the second embodiment. In the present embodiment, afirst gap 54 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between ahead portion 53 and thefirst case 26. In addition, asecond gap 55 of a predetermined dimension (for example, 0.5 mm to a few mm) is formed between anshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26. In the present embodiment, thefastening member 28 may be omitted. - The
first cushion 27 has a plurality (eight in the present embodiment) offirst portions 56 attached to thefirst case 26 so as to correspond to eight corners of themodule 25. Thefirst portion 56 has approximately the same shape as that of thefirst portion 56 in the second embodiment and a little smaller dimension. As shown inFIGS. 17 and 18 , thefirst portion 56 is formed like covering a corner of themodule 25 and abuts on three faces of themodule 25. Thefirst portion 56 is provided in each gap formed between a face of themodule 25 and a wall portion of thefirst case 26. Each of thefirst portions 56 of thefirst cushion 27 are formed from an elastic body such as synthetic rubber. Instead of synthetic rubber, thefirst portion 56 may be formed from other materials such as a sponge. - Subsequently, an impact absorption function for the
module 25 of theportable computer 61 in the fourth embodiment will be described with reference toFIGS. 17 and 18 . Thefirst gap 54 is provided between thehead portion 53 of thefastening member 28 and the first case 26 (here, the third wall portion 33) and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D1 direction when an impact is applied to theportable computer 61 in the D1 direction inFIG. 17 . When themodule 25 moves as described above, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst portion 56 of thefirst cushion 27 positioned in the moving direction. - Like in the D1 direction, the
second gap 55 is provided between theshaft 52 of thefastening member 28 and thehole 36 of thefirst case 26 and thus, even though it is an infinitesimal distance, themodule 25 can move inside thefirst case 26 in an opposite direction of the impact along the D2 direction or the D3 direction when an impact is applied to theportable computer 61 in the D2 direction or the D3 direction inFIGS. 17 and 18 . When themodule 25 moves in the D2 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst cushion 27 positioned in the moving direction. When themodule 25 moves in the D3 direction, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst cushion 27 positioned in the moving direction. - According to the fourth embodiment, the
module 25 has a box shape having a plurality of faces and thefirst case 26 has a plurality of wall portions opposed to a plurality of faces one-to-one. Then, thefirst cushion 27 has a plurality of theportions 27A provided in each gap created between a face and a wall portion opposed to each other. According to the above configuration, in whichever direction themodule 25 vibrates, a difference of relative kinetic energy between themodule 25 and thefirst case 26 is absorbed by thefirst cushion 27. Therefore, a strong impact can be prevented from being applied to themodule 25. - The plurality of the
portions 27A is provided in positions corresponding to corners of themodule 25 and abuts on at least two faces of themodule 25. According to the above configuration, each portion of thefirst cushion 27 abuts on two faces or more of themodule 25 and thus, the number of components can be reduced by reducing the number of the first cushions 27. - In each of the above embodiments, the
connector 35A of themodule 25 is connected to the system board 21 (or the printed circuit board 68) via a flexible cable or the like. Theconnector 35A may directly be connected to theremote connector 35B implemented in the system board 21 (or the printed circuit board 68). - The electronic apparatus is not limited to the
television 11 or theportable computer 61 described in details in the above embodiments. The above technologies and configurations of the electronic apparatuses can naturally be applied to other electronic apparatuses like, for example, a mobile phone and an electronic book reader. - The electronic apparatuses are not limited to as they are in the above embodiments and can be embodied by modifying elements without deviating from the spirit thereof in a working stage. Further, a plurality of elements disclosed in the above embodiments may appropriately be combined to form various inventions. For example, some elements may be excluded from all elements shown in one embodiment. Further, elements of a plurality of embodiments may appropriately be combined.
- While certain embodiments have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the inventions. Indeed, the novel embodiments described herein may be embodied in a variety of other forms; furthermore, various omissions, substitutions and changes in the form of the embodiments described herein may be made without departing from the spirit of the inventions. The accompanying claims and their equivalents are intended to cover such forms or modifications as would fall within the scope and spirit of the inventions.
Claims (13)
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JP2013094508A JP6151081B2 (en) | 2013-04-26 | 2013-04-26 | Display device and electronic device |
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US14/160,241 Active 2034-05-21 US10042398B2 (en) | 2013-04-26 | 2014-01-21 | Electronic apparatus |
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Cited By (1)
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CN108445991A (en) * | 2018-03-30 | 2018-08-24 | 吴彦均 | A kind of computer host box |
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JP6636295B2 (en) * | 2015-10-02 | 2020-01-29 | シャープ株式会社 | Support device, image forming apparatus provided with support device, and storage device provided with support device |
CN110822261B (en) * | 2019-10-10 | 2021-10-01 | 华为技术有限公司 | Shock absorption support and electronic equipment |
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Also Published As
Publication number | Publication date |
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US10042398B2 (en) | 2018-08-07 |
JP2014216265A (en) | 2014-11-17 |
JP6151081B2 (en) | 2017-06-21 |
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